Home / 955,235.78-1,318,233.94-519,662.61

Finding the Fourth Proportional to 955,235.78, 1,318,233.94 and 519,662.61

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Solution

The fourth proportional to 955,235.78, 1,318,233.94 and 519,662.61 is: 717,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,235.78 : 1,318,233.94 = 519,662.61 : x
  2. Step 2: Convert to fraction form
    955,235.78/1,318,233.94 = 519,662.61/x
  3. Step 3: Cross multiply
    955,235.78x = 1,318,233.94 × 519,662.61
  4. Step 4: Simplify right side
    955,235.78x = 685,036,893,495.20
  5. Step 5: Solve for x
    x = 685,036,893,495.20/955,235.78
  6. Step 6: Final answer
    x = 717,139.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.